sorry, instead Isn't this idea of reconstructing G from G/N-->Aut(N)/Out(N) i should have written "reconstructing G from G/N-->Out(N)=Aut(N)/Inn(N)" You're receiving this message because you're a member of the Categories mailing list group from Macquarie University. To take part in this conversation, reply all to this message. View group files | Leave group | Learn more about Microsoft 365 Groups